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. 2025 Dec 29;14(12):5405–5414. doi: 10.21037/tlcr-2025-1068

Table 3. Clinical characteristics of all patients after PSM.

Variables Lobectomy (N=55), n (%) Segmentectomy (N=55), n (%) P value
Sex >0.99
   Female 29 (52.7) 28 (50.9)
   Male 26 (47.3) 27 (49.1)
Age 0.85
   >65 years 22 (40.0) 24 (43.6)
   ≤65 years 33 (60.0) 31 (56.4)
Smoking history 0.68
   Never 39 (70.9) 36 (65.5)
   Smoke 16 (29.1) 19 (34.5)
C/T ratio 0.84
   >0.5 to <1 38 (69.1) 36 (65.5)
   1 17 (30.9) 19 (34.5)
Pathological T stage 0.93
   1a 2 (3.64) 1 (1.82)
   1b 23 (41.8) 25 (45.5)
   1c 18 (32.7) 19 (34.5)
   2a 12 (21.8) 10 (18.2)
Pathological N stage >0.99
   0 46 (83.6) 46 (83.6)
   1 7 (12.7) 7 (12.7)
   2 2 (3.64) 2 (3.64)
Pleural invasion >0.99
   No 47 (85.5) 46 (83.6)
   Yes 8 (14.5) 9 (16.4)
Lymphatic invasion 0.80
   No 47 (85.5) 45 (81.8)
   Yes 8 (14.5) 10 (18.2)
Pathological stage >0.99
   IA1 1 (1.82) 1 (1.82)
   IA2 23 (41.8) 23 (41.8)
   IA3 15 (27.3) 15 (27.3)
   IB 7 (12.7) 7 (12.7)
   IIB 7 (12.7) 7 (12.7)
   IIIA 2 (3.64) 2 (3.64)
Pathological type >0.99
   Adenocarcinoma 55 (100.00) 54 (98.2)
   Squamous cell carcinoma 0 (0.00) 0 (0.00)
   Others 0 (0.00) 1 (1.82)

C/T, consolidation/tumor; N, node; PSM, propensity score matching; T, tumor.